Square D HJL36030AA - 30 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Square D HJL36030AA is a 30 A, 600 V, 3-pole molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and load centers. Built for electricians who value precise protection and easy field replacement, this device integrates seamlessly into existing Square D or OEM punch‑center configurations while delivering consistent performance across demanding commercial and light industrial environments.

Key features

• Compact molded case design maximizes panel space, making installation in tight enclosures straightforward without sacrificing protection.
• Thermal-magnetic trip unit provides stable, repeatable protection against both overloads and short circuits, reducing nuisance trips and improving reliability.
• Three-pole configuration supports balanced 3‑phase systems up to 600 V, ideal for commercial electrical distributions and light industrial equipment.
• OEM-compatible engineered to be plug‑and‑play with matching OEM load centers and panelboards, simplifying replacement and upgrades.
• Versatile applications suitable for residential, commercial, and light industrial circuits where robust protection and quick interruption are critical.

Why this matters

In electrical distribution, the ability to quickly interrupt fault currents can prevent equipment damage, reduce downtime, and enhance overall safety. The HJL36030AA’s thermal-magnetic protection curve is designed to respond precisely to real-world load conditions, delivering dependable performance across a range of circuits—from lighting and receptacle circuits to motor-start applications in light manufacturing. Its compact form and compatibility with Square D panelboards mean fewer compatibility headaches during panel upgrades or service replacements.

Ideal use scenarios

• Residential subpanels where a reliable 3‑pole, 30 A protection device is needed for three-phase equipment or switchgear.
• Commercial office suites or retail spaces with mixed lighting and HVAC loads requiring solid fault protection.
• Light industrial enclosures protecting motors, conveyors, or processing equipment in small to mid‑scale facilities.
• Replacement in existing Square D or compatible panelboards to extend service life without reconfiguring the distribution scheme.

Technical specs at a glance

• Manufacturer: Square D
• Part number: HJL36030AA
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 30 A
• Voltage rating: 600 V
• Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Ready for reliable protection in your electrical distribution system, the Square D HJL36030AA is available from AmpState as a precise, durable solution designed for straightforward installation, predictable performance, and long service life in a variety of settings.